Via Thane writing at Technology on a Shoestring, I hear about a couple of good ways to work with a Word document and convert it to a relatively clean HTML file for posting to the web. I have found some Word files to be more problems than others. Cut/paste into a text editor will strip away all the HTML but sometimes that is too much.
Read more here and then click through to see the article on the Wired "How to Wiki"
I just did a quick test with Textism and liked the results. This service is free for files less than 20KB.
What have you done to strip Word of all its non-essential code?